Home / 38,590,344,657.40-57,885,516,986.10-13,747,816,247.80

Finding the Fourth Proportional to 38,590,344,657.40, 57,885,516,986.10 and 13,747,816,247.80

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Solution

The fourth proportional to 38,590,344,657.40, 57,885,516,986.10 and 13,747,816,247.80 is: 20,621,724,371.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,590,344,657.40 : 57,885,516,986.10 = 13,747,816,247.80 : x
  2. Step 2: Convert to fraction form
    38,590,344,657.40/57,885,516,986.10 = 13,747,816,247.80/x
  3. Step 3: Cross multiply
    38,590,344,657.40x = 57,885,516,986.10 × 13,747,816,247.80
  4. Step 4: Simplify right side
    38,590,344,657.40x = 795,799,450,933,808,463,872
  5. Step 5: Solve for x
    x = 795,799,450,933,808,463,872/38,590,344,657.40
  6. Step 6: Final answer
    x = 20,621,724,371.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.